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  • Today

    Sep 1

    Hot and humid with sunshine 91°Lo 68°
  • Wed

    Sep 2

    Partly sunny, hot and humid 91°Lo 70°
    more
  • Thu

    Sep 3

    Partly sunny and humid 91°Lo 70°
    more
  • Fri

    Sep 4

    Partly sunny with a t-storm 87°Lo 67°
    more
  • Sat

    Sep 5

    Times of clouds and sun 80°Lo 58°
    more
< Previous 8 hours Next 8 hours >
  Tue
10pm
11pm Wed
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 76° 75° 75° 74° 74° 73° 71° 71°
RealFeel® 80° 79° 77° 78° 77° 76° 74° 74°
Humidity 79% 82% 81% 84% 85% 87% 87% 91%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
2%
 
2%
 
2%
 
3%
 
4%
 
4%
 
4%
 
4%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 4 SSE 4 S 4 SW 4 W 4 W 4 W 4 WNW 4 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 45% 45% 45% 45% 45% 45% 44% 45%
Dew Point 70° 70° 68° 69° 69° 69° 67° 68°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 91° 84° 99° (1980) 95°
Low 68° 67° 50° (1890) 76°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:03 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:38 PM with 13:27 of moolight, then sets at 11:05 AM

Rockville Weather Report

DC, Baltimore: Sizzling Heat Wave to Start September

September 1, 2015; 2:07 AM ET

July-like heat and humidity will continue for Washington, D.C., and Baltimore for the first week of September. more >

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